Product Guides
NC Spotting Drill Guide: Sizes, Angles & Pre-drilling
NC spotting drills: 90, 120 and 142 degree point angle selection, DIN 1897 standard, HSS cobalt vs VHM solid carbide with AlCrN coating, CNC speed and feed by material, and Sutton + Bordo selection for Australian CNC machining centres.
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Carbide vs HSS End Mill: When to Upgrade
Carbide vs HSS end mills: tool life, cost-per-cut, RPM thresholds, scenarios where HSS still wins, and when the carbide upgrade pays for itself.
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End mills explained: types, flute count by material, TiAlN/AlTiN/ZrN coatings, HSS vs carbide and speeds and feeds for Australian workshops.
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